Spring Learning to create a project Hello Spring instance code

The main research in this article is the Hello Spring instance code for creating a project for spring learning, as follows.

1. Create an eclipse project and introduce a jar package

1. eclipse creates a java project project HelloSpring

2. Create a lib directory and add 5 jar packages required for spring

3. Select 5 files, right-click -> Build Path -> add to build path

2. Write the hello spring code for spring

1. Create a package and write it

package ;
/**
  * @author ALEX E-mail:zanbin168@
  * @version 1.0
 */
public class HelloWorld {
	private String name;
	public void setName(String name) {
		 = name;
	}
	public void hello() {
		("hello " + name);
	}
}

2. Right-click src -> Create spring bean configuration file

<?xml version="1.0" encoding="UTF-8"?> 
<beans xmlns="/schema/beans" 
  xmlns:xsi="http:///2001/XMLSchema-instance" 
  xsi:schemaLocation="/schema/beans /schema/beans/"> 
   
  <!-- Configurationbean --> 
  <bean  class=""> 
    <property name="name" value="Big Red"></property> 
  </bean> 
 
</beans> 

3. Write

package ;
import ;
import ;
/**
  * @author ALEX E-mail:zanbin168@
  * @version 1.0
 */
public class Main {
	public static void main(String[] args) {
		//1. Create Spring's IOC container object		ApplicationContext ctx = new ClassPathXmlApplicationContext("");
		//2. Get Bean instance from IOC container		HelloWorld helloWorld = (HelloWorld) ("helloWorld");
		//3. Call the hello method		();
	}
}

Output result

When a red spring log is printed in the console, it means that the spring application is successful

Summarize

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